Heap Use After Free Vulnerability in PHP's var_unserializer.re

Heap Use After Free Vulnerability in PHP's var_unserializer.re

CVE-2017-12932 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

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